Country | Data collected from | |||
---|---|---|---|---|
Desk research | Analysis of documents | Survey | Personal interview | |
Australia | X | X | X (n = 70) |  |
Canada | X | X |  | X (n = 8) |
China | X | X |  | X (n = 3) |
Germany | X | X | X (n = 76) |  |
Japan | X | X | Â | Â |
South Africa | X | X | Â | Â |
South Korea | X | X | Â | Â |
Spain | X | X | X (n = 576) |  |
Turkey | X | X |  | X (n = 5) |